K&F Concept KF-570 II Speedlite with LCD Display Universal Flash for Canon and Nikon DSLR Cameras The speedlite with high Guide No.GN54 (ISO 100,180mm), super output power, high illumination and farther irradiation distance. Multiple flash modes: Support M, S1, S2 and strobe mode, manual flash, manual zoom. Large LCD screen with backlight mode, easy to master information though in dark. 2.9 seconds high-speed recycle time, won't let you miss every wonderful moment. Using standard hot shoe contacts, universal for most Canon EOS and Nikon DSLR cameras.